I've never seen this one before, so I'm including it for completeness. Also see
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39082.

libtool: compile: /usr/local/bin/scan-build/ccc-analyzer -DHAVE_CONFIG_H -I.
-I.. -DLOCALEDIR=\"/home/jwalton/gpg-analyze/share/locale\" -g3 -O1 -Wall
-Wpointer-arith -fvisibility=hidden -MT libgpg_error_la-estream-printf.lo -MD
-MP -MF .deps/libgpg_error_la-estream-printf.Tpo -c estream-printf.c -o
libgpg_error_la-estream-printf.o
estream-printf.c: In function 'pr_integer':
estream-printf.c:849:1: note: the ABI of passing union with long double has
changed in GCC 4.4
pr_integer (estream_printf_out_t outfnc, void *outfncarg,
^